AUTHOR=Klein William L. TITLE=A time for optimism in the dementia field JOURNAL=Frontiers in Dementia VOLUME=1 YEAR=2022 URL=https://www.frontiersin.org/journals/dementia/articles/10.3389/frdem.2022.1038003 DOI=10.3389/frdem.2022.1038003 ISSN=2813-3919